/*
 * Copyright (c) 2023 by Kang Wang. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.egolessness.destino.core.storage.factory.impl;

import org.egolessness.destino.core.enumration.StorageType;
import org.egolessness.destino.core.storage.specifier.Specifier;
import com.google.inject.Singleton;
import org.egolessness.destino.core.message.Cosmos;
import org.egolessness.destino.core.storage.kv.MemoryStorage;
import org.egolessness.destino.core.storage.factory.EvanescentStorageFactory;
import org.egolessness.destino.core.storage.StorageOptions;

/**
 * memory implement of evanescent storage factory
 *
 * @author zsmjwk@outlook.com (wangkang)
 */
@Singleton
public final class MemoryStorageFactoryImpl implements EvanescentStorageFactory {

    @Override
    public StorageType type() {
        return StorageType.MEMORY;
    }

    @Override
    public <K> MemoryStorage<K, byte[]> create(Cosmos cosmos, Specifier<K, byte[]> specifier, StorageOptions options) {
        return new MemoryStorage<>(specifier::compare);
    }

}
